Home / 51,665.04-77,531.58-28,307.88

Finding the Fourth Proportional to 51,665.04, 77,531.58 and 28,307.88

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Solution

The fourth proportional to 51,665.04, 77,531.58 and 28,307.88 is: 42,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665.04 : 77,531.58 = 28,307.88 : x
  2. Step 2: Convert to fraction form
    51,665.04/77,531.58 = 28,307.88/x
  3. Step 3: Cross multiply
    51,665.04x = 77,531.58 × 28,307.88
  4. Step 4: Simplify right side
    51,665.04x = 2,194,754,662.85
  5. Step 5: Solve for x
    x = 2,194,754,662.85/51,665.04
  6. Step 6: Final answer
    x = 42,480.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.